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The CORALIE survey for southern extra-solar planets XV. Discovery of two eccentric planets orbiting HD4113 and HD156846
O. Tamuz, D. Ségransan, S. Udry +10
We report the detection of two very eccentric planets orbiting HD4113 and HD156846 with the CORALIE Echelle spectrograph mounted on the 1.2-m Euler Swiss telescope at La Silla. The…
Elodie metallicity-biased search for transiting Hot Jupiters IV. Intermediate period planets orbiting the stars HD43691 and HD132406
R. Da Silva, S. Udry, F. Bouchy +21
We report here the discovery of two planet candidates as a result of our planet-search programme biased in favour of high-metallicity stars, using the ELODIE spectrograph at the Ob…
The HARPS search for southern extra-solar planets. IX. Exoplanets orbiting HD 100777, HD 190647, and HD 221287
Dominique Naef, Michel Mayor, Willy Benz +8
The HARPS high-resolution high-accuracy spectrograph is offered to the astronomical community since the second half of 2003. Since then, we have been using this instrument for moni…
High-precision astrometry on the VLT/FORS1 at time scales of few days
P. F. Lazorenko, M. Mayor, M. Dominik +3
We investigate the accuracy of astrometric measurements with the VLT/FORS1 camera and consider potential applications. The study is based on two-epoch (2000 and 2002/2003) frame se…
A new list of thorium and argon spectral lines in the visible
C. Lovis, F. Pepe
Aims. We present a new list of thorium and argon emission lines in the visible obtained by analyzing high-resolution (R=110,000) spectra of a ThAr hollow cathode lamp. The aim of t…
A new Neptune-mass planet orbiting HD 219828
C. Melo, N. C. Santos, W. Gieren +10
Two years ago a new benchmark for the planetary survey was set with the discoveries of three extrasolar planets with masses below 20. In particular, the serendipitous dis…